58
100 gallon fish tank
Worth a lookShows a thin review moat (91 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Incredible90.63avg incumbent reviews — the moat a new listing must climb
Returns
Great1.1%return rate — above 6% kills the launch gate
Competition
Great24%top-5 click share — an open shelf
Brand share
Great46%top-5 brand share — no brand owns this niche
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$167.35avg listing price — sweet spot $15–$100
Market size
Okay$270K$270K/yr · 311K searches
Growth
Bad-9.9%90-day search growth — must beat 0% to launch
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Price range
Bad$87.18–$352.44cheapest to priciest tracked listing — scored on the share inside $15–$100